Adicet Bio, Inc. - Common Stock, $0.0001 par vaue (ACET)

CUSIP: 007002207

Q3 2026 13F Holders as of 30 Sep 2026

Holder snapshot 6 signals
Share change
-990
SEC-reported price per share
$7.14
Number of holders
3
Value change
-$7,068
Number of buys
1
Number of sells
1
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
9,302,019

Security key

007002207

Report period

Q3 2026

Institutions

3

Top holders

3

Ownership snapshot

Top reported holders of ACET - Adicet Bio, Inc. - Common Stock, $0.0001 par vaue (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
RA CAPITAL MANAGEMENT, L.P.
Disclosed value leader
RA CAPITAL MANAGEMENT, L.P.
Comparable rows
5/15
Latest evidence
30 Jun 2026
13D/G 3/4/5 13F Lead comparable stake: 9.9% 10 rows are not safely comparable across share classes. 13D/G row: RA CAPITAL MANAGEMENT, L.P. Showing 1-6 of 15 holder rows.

Quick read

RA CAPITAL MANAGEMENT, L.P. leads the comparable SEC ownership view at 9.9%.

5 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens RA CAPITAL MANAGEMENT, L.P.'s linked filing trail.
Comparable ownership Top 5
RA CAPITAL MANAGEMENT, L.P. 9.9%
ORBIMED ADVISORS LLC 8.8%
FRANKLIN TEMPLETON INC 6.5%
Woodline Partners LP 3.3%
TANG CAPITAL MANAGEMENT LLC 0.1%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
RA CAPITAL MANAGEMENT, L.P.
13D/G 3/4/5 13F
10%+ Owner · Company
9.9%
Reported 13D/G · 30 Jun 2026
$8,082,599
935,486 shares
-$2,135,272 30 Jun 2026
ORBIMED ADVISORS LLC
13F 13D/G
Company
8.8%
Reported 13D/G · 08 Apr 2026
$7,298,960
844,787 shares
— 30 Jun 2026
FRANKLIN TEMPLETON INC
13F 13D/G
Company · Franklin Resources, Inc.
6.5%
Reported 13D/G · 31 Dec 2025
$5,413,573
626,571 shares
— 30 Jun 2026
Woodline Partners LP
13D/G
3.3%
Reported 13D/G · 31 Mar 2026
$2,132,374
313,124 shares
-$2,123,876 31 Mar 2026
TANG CAPITAL MANAGEMENT LLC
13D/G
0.1%
Reported 13D/G · 31 Dec 2025
$51,050
6,158 shares
$0 31 Dec 2025
Peter Kolchinsky
3/4/5
10%+ Owner
—
mixed-class rows
$6,226,197
2,335,457 shares
mixed-class rows
+$1,603,934 27 Apr 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q3 2026

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
3
Shares
12,813
Rows available
3
Investor Option Weight % Change % SEC-reported value * Price Shares Share Change Activity Report Period

* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q3 2026 vs Q4 2025 Across Filers

Q4 2025 holders
48
Q3 2026 holders
3
Holder diff
-45
Investor Q4 2025 Shares Q3 2026 Shares Share Diff Share Chg % Q4 2025 value Q3 2026 value Value change Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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